Datasheet

LT3468/LT3468-1/LT3468-2
5
346812fa
LT3468 Switching Waveform
LT3468/LT3468-1/LT3468-2
Switch Breakdown Voltage
LT3468-1 Switching Waveform
V
IN
= 3.6V
V
OUT
= 100V
3468 G19
1µs/DIV
V
SW
10V/DIV
I
PRI
1A/DIV
V
IN
= 3.6V
V
OUT
= 300V
3468 G23
1µs/DIV
V
SW
10V/DIV
I
PRI
1A/DIV
LT3468 curves use the circuit of Figure 6, LT3468-1
curves use the circuit of Figure 7 and LT3468-2 use the circuit of Figure 8 unless otherwise noted.
TYPICAL PERFOR A CE CHARACTERISTICS
UW
V
SW
10V/DIV
I
PRI
1A/DIV
1µs/DIV
3468 G21
V
IN
= 3.6V
V
OUT
= 100V
V
SW
10V/DIV
I
PRI
1A/DIV
1µs/DIV
3468 G24
V
IN
= 3.6V
V
OUT
= 300V
SWITCH VOLTAGE (V)
0 102030405060708090100
SWITCH CURRENT (mA)
3468 G25
10
9
8
7
6
5
4
3
2
1
0
T = –40°C
T = 25°C
T = 85°C
SW PIN IS RESISTIVE UNTIL BREAKDOWN
VOLTAGE DUE TO INTEGRATED
RESISTORS. THIS DOES NOT INCREASE
QUIESCENT CURRENT OF PART
V
IN
= V
CHARGE
= 5V
LT3468 Switching Waveform
3468 G20
1µs/DIV
V
SW
10V/DIV
I
PRI
1A/DIV
V
IN
= 3.6V
V
OUT
= 300V
LT3468-1 Switching Waveform
V
IN
= 3.6V
V
OUT
= 100V
3468 G22
1µs/DIV
V
SW
10V/DIV
I
PRI
1A/DIV
LT3468-2 Switching Waveform
LT3468-2 Switching Waveform